OC
Oscar Carlson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Ramsey, Minnesota
Our Model Tree links this Oscar Carlson across the 1920, 1930 and 1940 US Censuses in Ramsey, Minnesota (XGBoost, ~Confirmed), with identified parents Sahara — first a head (b.~1895), then head of a 5-person household.
Age 35
b. ~1895
Male
Head
Born: Minnesota
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Ramsey, Minnesota |
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Secretary |
| Industry | Refining Co. Milk Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 37.50 |
| Radio Set | R |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Secretary |
| Township / Ward | Saint Paul City |
| Est. Birth Year | ~1895 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Joe Lowndes | Other | — | 29 | ~1901 |
| Evelyn Carlson | Daughter | — | 7 | ~1923 |
| Eleanor Carlson | Daughter | — | 4 | ~1926 |
| Oscar Carlson | Head | — | 35 | ~1895 |
| Susie Carlson | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Ramsey, Minnesota
Head, age 25
Ramsey, Minnesota · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Driver |
| Industry | Milk Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Head, age 35
Ramsey, Minnesota · implied b. ~1895 — 5 household members
| Surname | Carlson |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Secretary |
| Industry | Refining Co. Milk Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 37.50 |
| Radio Set | R |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 45
Ramsey-County, Minnesota · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Oscar E |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | proprietor |
| Industry | clothing store |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Oscar Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sahara Carlson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sahara Carlson
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Carlson
Head · 1930 · age 35 · b. ~1895 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Ramsey, Minnesota
Open full size
1930 US Federal Census — Ramsey, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1115:0055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joe Liwson | 43 | Head | Repair Man | Minnesota |
| 2 | Victoria Liwson | 44 | Wife | None | Poland |
| 3 | Lucy Liwson | 15 | Daughter | None | Minnesota |
| 4 | Veronica Liwson | 14 | Daughter | None | Minnesota |
| 5 | Joe Liwson | 12 | Son | None | Minnesota |
| 6 | Dorothy Liwson | 10 | Daughter | None | Minnesota |
| 7 | Lawrence Liwson | 8 | Son | None | Minnesota |
| 8 | Marie Liwson | 6 | Daughter | None | Minnesota |
| 9 | Louis Liwson | 3 | Son | None | Minnesota |
| 10 | Nels P. Johnson | 77 | Head | None | Sweden |
| 11 | Margaret Ziolkowski | 59 | Head | None | Poland |
| 12 | Anna Ziolkowski | 32 | Daughter | Machine Operator | Minnesota |
| 13 | Agnes Tudalla | 36 | Daughter | Machine Operator | Minnesota |
| 14 | Helen Wahl | 27 | Daughter | Hem Cutter | Minnesota |
| 15 | Oscar Carlson THIS PERSON | 35 | Head | Secretary | Minnesota |
| 16 | Susie Carlson | 40 | Wife | None | Minnesota |
| 17 | Evelyn Carlson | 7 | Daughter | None | Minnesota |
| 18 | Eleanor Carlson | 4 | Daughter | None | Minnesota |
| 19 | Joe Lowndes | 29 | Boarder | Baker | Poland |
| 20 | Michael J. Flaherty | 42 | Head | Yardmaster | Minnesota |
| 21 | Lucille Flaherty | 37 | Wife | None | Minnesota |
| 22 | Katherine Flaherty | 17 | Daughter | None | Minnesota |
| 23 | Margaret Flaherty | 14 | Daughter | None | Minnesota |
| 24 | Max Kasmarek | 51 | Head | Butcher | German Poland |
| 25 | Mary Kasmarek | 52 | Wife | None | Poland |
| 26 | Harriet Kasmarek | 23 | Daughter | Salesgirl | Minnesota |
| 27 | Alphonse Kasmarek | 21 | Son | Butcher | Minnesota |
| 28 | Virginia Kasmarek | 17 | Daughter | None | Minnesota |
| 29 | Alfred Kasmarek | 15 | Son | None | Minnesota |
| 30 | Carl Nicholson | 29 | Head | Repairman | Wisconsin |
| 31 | Magdalene Nicholson | 27 | Wife | None | Minnesota |
| 32 | Johanne Nicholson | 5 | Daughter | None | Minnesota |
| 33 | Joseph Starzecki | 36 | Head | Molder | Poland |
| 34 | Stasia Starzecki | 35 | Wife | None | Poland |
| 35 | Anna Starzecki | 14 | Daughter | None | Minnesota |
| 36 | Joseph Starzecki | 13 | Son | None | Minnesota |
| 37 | Stanley Starzecki | 10 | Son | None | Minnesota |
| 38 | Carl Ester | 28 | Head | Molder | Sweden |
| 39 | Cerstin Ester | 26 | Wife | None | Sweden |
| 40 | Arnold C. Ester | 1 | Son | None | Minnesota |
| 41 | Bill Tomaszewski | 49 | Head | Policeman | Poland |
| 42 | Marie Tomaszewski | 49 | Wife | None | Germany |
| 43 | Harry A. Tomaszewski | 27 | Son | Machinist | Minnesota |
| 44 | Edward L. Tomaszewski | 22 | Son | Laborer | Minnesota |
| 45 | Leroy Whittaker | 39 | Head | Switchman | Ohio |
| 46 | Agnes Whittaker | 25 | Wife | None | Minnesota |
| 47 | James Whittaker | 7 | Son | None | Minnesota |
| 48 | Freda Whittaker | 1 | Daughter | None | Minnesota |
| 49 | Catherine Peterson | 58 | Mother-in-law | Waitress | Minnesota |
| 50 | Nels C. Larson | 67 | Head | Secretary | Sweden |
Pedigree Summary
Oscar
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)